United Kingdom

Offers network and internet security, installations and network support.

Provides auditing, penetration testing, application testing and code reviews. Includes useful guides on security topics.

Provides network and security consulting and services. Located in Irvine, Scotland.

Digital risk consultants specialising in providing secure data visualisation. Also provide SIPS security intelligence briefings on hacker activity and various risk analysis tools. London, UK.

Provides IT security consultancy and software development services.

Provision of information security and system safety consultants for government and commercial clients. Specialising in the identification and management of risk.

Dedicated to providing high quality Penetration Testing, Vulnerability Research and VoIP Security Consultancy